2157226022707 has 8 divisors (see below), whose sum is σ = 2465421288800. Its totient is φ = 1849035786624.

The previous prime is 2157226022671. The next prime is 2157226022753. The reversal of 2157226022707 is 7072206227512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2157226022707 - 2¹¹ = 2157226020659 is a prime.

It is a super-2 number, since 2×2157226022707² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2157226032707) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 288732 + ... + 2097097.

It is an arithmetic number, because the mean of its divisors is an integer number (308177661100).

Almost surely, 2^{2157226022707} is an apocalyptic number.

2157226022707 is a deficient number, since it is larger than the sum of its proper divisors (308195266093).

2157226022707 is a wasteful number, since it uses less digits than its factorization.

2157226022707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2515005.

The product of its (nonzero) digits is 329280, while the sum is 43.

The spelling of 2157226022707 in words is "two trillion, one hundred fifty-seven billion, two hundred twenty-six million, twenty-two thousand, seven hundred seven".